package com.heima.wemedia.service.impl;


import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import com.heima.common.exception.CustException;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmUserDTO;
import com.heima.model.wemedia.pojos.WmUser;

import com.heima.model.wemedia.vos.WmUserVO;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;


@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {

    /**
     * 登录
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(WmUserDTO dto) {
        //检查参数
        if (StringUtils.isBlank(dto.getName())|| StringUtils.isBlank(dto.getPassword())) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码不能为空");
        }
        //查询自媒体用户
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, dto.getName()));
        if (wmUser==null) {
            //判断用户信息是否存在
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"该用户信息不存在");
        }
        //判断该用户状态是否正常，也就是说是否等于9
        if (wmUser.getStatus().intValue()!=9) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_ALLOW,"用户状态异常，请联系管理员");
        }
        //获取用户传过来的密码并先加盐在加密，与数据库密码做对比
        String newPwd = DigestUtils.md5DigestAsHex((dto.getPassword() + wmUser.getSalt()).getBytes());
        if (!wmUser.getPassword().equals(newPwd)) {
            CustException.cust(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
        //密码正确则返回TOken
        Map<String,Object> map = new HashMap<>();
        map.put("token", AppJwtUtil.getToken(Long.valueOf(wmUser.getId())));
        WmUserVO userVO = new WmUserVO();
        BeanUtils.copyProperties(wmUser,userVO);
        map.put("user",userVO);
        return ResponseResult.okResult(map);
    }





































}
